Search Results for author: Benjamin Girault

Found 5 papers, 1 papers with code

Two Channel Filter Banks on Arbitrary Graphs with Positive Semi Definite Variation Operators

no code implementations6 Mar 2022 Eduardo Pavez, Benjamin Girault, Antonio Ortega, Philip A. Chou

Our key theoretical contribution is showing that the spectral folding property of the normalized Laplacian of bipartite graphs, at the core of bipartite filter bank theory, can be generalized for the proposed GFT if the inner product matrix is chosen properly.

Spectral folding and two-channel filter-banks on arbitrary graphs

no code implementations23 Oct 2020 Eduardo Pavez, Benjamin Girault, Antonio Ortega, Philip A. Chou

A major limitation is that this framework can only be applied to the normalized Laplacian of bipartite graphs.

TILES-2018, a longitudinal physiologic and behavioral data set of hospital workers

no code implementations18 Mar 2020 Karel Mundnich, Brandon M. Booth, Michelle L'Hommedieu, Tiantian Feng, Benjamin Girault, Justin L'Hommedieu, Mackenzie Wildman, Sophia Skaaden, Amrutha Nadarajan, Jennifer L. Villatte, Tiago H. Falk, Kristina Lerman, Emilio Ferrara, Shrikanth Narayanan

We designed the study to investigate the use of off-the-shelf wearable and environmental sensors to understand individual-specific constructs such as job performance, interpersonal interaction, and well-being of hospital workers over time in their natural day-to-day job settings.

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Region adaptive graph fourier transform for 3d point clouds

1 code implementation4 Mar 2020 Eduardo Pavez, Benjamin Girault, Antonio Ortega, Philip A. Chou

Since clusters may have a different numbers of points, each block transform must incorporate the relative importance of each coefficient.

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